Unveiling a surprising diversity in the lichen genus Micarea (Pilocarpaceae) in Reunion (Mascarenes archipelago, Indian Ocean)

被引：17

作者：

Brand, A. Maarten ^{[1
]}

Van Den Boom, Pieter P. G. ^{[1
]}

Serusiaux, Emmanue L. ^{[1
]}

机构：

[1] Univ Liege, Evolut & Conservat Biol Unit, B-4000 Liege, Belgium

来源：

LICHENOLOGIST | 2014年 / 46卷 / 03期

关键词：

lichen diversity; lichenized Ascomycota; new species; Southern Hemisphere; taxonomy; tropical habitats; FUNGI; ACCURACY; SQUAMATA; LIZARDS; TREES;

D O I：

10.1017/S0024282913000911

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Detailed anatomical and chemical studies conducted on recent collections made in almost all suitable habitats on Reunion, a small remote tropical island in the Indian Ocean, yielded a surprising diversity in the widespread lichen genus Micarea (Pilocarpaceae, Lecanorales). Twenty-one species are recognized, including 13 described here as new to science. They are: Micarea alectorialica, M. bebourensis, M. borbonica, M. boryana, M. cilaoensis, M. hyalinoxanthonica, M. isidiosa, M. melanoprasina, M. pseudocoppinsii, M. pseudolignaria, M. sublithinella, M. takamakae and M. tenuispora. Notes on local ecology and important biogeographical features are also given and a key to the species is provided. Isidiiform areolae are reported for the first time in the genus (M. isidiosa and M. tenuispora), as well as the production of protolichesterinic and confluentic acids (M. sublithinella and M. takamakae, respectively). Two groups within the genus are species-rich on the island: the M. peliocarpa group with possibly 5 species, including 3 new to science, and the M. prasina group with 4 species, including 2 new to science. Micarea levicula is reported here for the first time since its description, and the status of the material that can be referred to M. micrococca s. lat. needs further study.

引用

页码：413 / 439

页数：27

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